This inventor holds 2 USPTO granted patents and 2 EPO patents. Top assignees: Abb Ab, Abb Technology Ag. Active years: 2009-2013.
Company Filing History:
Years Active: 2009-2013
Title: Johan Karlstrand: Innovator in Submarine Cable Technology
Introduction
Johan Karlstrand is a notable inventor based in Karlskrona, Sweden. He has made significant contributions to the field of electrical engineering, particularly in submarine cable technology. With a total of 2 patents, his work has had a considerable impact on the industry.
Latest Patents
One of Johan's latest patents is for a joint arrangement for a submarine cable. This innovative joint allows for the connection of armored submarine cables, featuring a tubular enclosure that houses the conductors of the cables. The design includes a current-carrying part that conducts a portion of the current from the cable armoring, integrated with a reinforcement part made from a material with lower electrical conductivity. This unique combination provides both electrical functionality and mechanical strength.
Another significant patent is for an installation designed for the transmission of electric power via a high-voltage AC voltage line. This installation connects two switchgear units located at a considerable distance apart. It utilizes an extruded cable with an inner electric conductor, surrounded by an insulating layer and an outer screen layer at ground potential. The installation also incorporates inductors along the cable's length for reactive shunt compensation, enhancing the efficiency of power transmission.
Career Highlights
Johan has worked with prominent companies such as ABB Technology AG and ABB AB. His experience in these organizations has allowed him to develop and refine his innovative ideas in electrical engineering.
Collaborations
Throughout his career, Johan has collaborated with talented individuals, including Anders Hansson and Björn Zettervall. These partnerships have contributed to the successful development of his patents and innovations.
Conclusion
Johan Karlstrand is a distinguished inventor whose work in submarine cable technology and electric power transmission has made a lasting impact on the industry. His innovative patents reflect his expertise and commitment to advancing electrical engineering.